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As an engineer tasked with designing and qualifying oil and gas equipment, quali...
Anthony on 07/01/2014
I have been using a portable hardness tester for the past 10 years, my old unit ...
James stewart on 09/10/2013
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D Type Test Blocks

Price: $250.00 $145.00
Product Code:  D test block
Availability:  In Stock
Condition:  New
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Standard Test Block all Leeb type test probes except G type.


Test block D is calibrated in accordance with the dynamic hardness value L ( Leeb number ) by an independant laboratory.

The Hardness of the block is etched onto the top of the block in the values for HLD, HLC, HRC HV and tolerance.

Standardized according to JJG747-1999, ASTM A956-02,DIN 50156.

The replacement block that is include in most Leeb type hardness tester kits iis Hardness 790 +/-40 HLD

790 Leeb D, 57 Rockwell C, 643 Vickers


Test Block Impact device calibrated with Also suitable with Value range Eveness Dimensions Weight
D D, DC DL,C,D+15 790 ± 40HLD ≤4HLD Φ90(±1)mmx55(±1)mm 2.73kg
G G   590 ± 40HLD ≤4HLD Φ120(±1)mmx70(±1)mm 6.17kg
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